The united states has been involved in the affairs of latin american nations. which of the following asserted the united states right to intervene in latin american affairs, but stated that no other nations should intervene in the western hemisphere monroe doctrine truman doctrine marshall plan good neighbor policy

donald carl johanson (born june 28, 1943) is an american paleoanthropologist. he is known for discovering – with yves coppens and maurice taieb – the fossil of a female hominin australopithecine known as "lucy" in the afar triangle region of hadar, ethiopia.

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i googled "who was kolson johanson" and this is the answer i found.

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1.) irish.

2.) settlers could obtain cheap land nearby

3.) steam engine

explanation: